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- Lee Sangmin
- Graduate School of Engineering, Division of Materials and Manufacturing Science, Osaka University
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- Matsumoto Ryo
- Graduate School of Engineering, Division of Materials and Manufacturing Science, Osaka University
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- Utsunomiya Hiroshi
- Graduate School of Engineering, Division of Materials and Manufacturing Science, Osaka University
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- Fujiwara Hidemichi
- Metal Technology Department, Labs. for Fusion of Core Technology, Furukawa Electric Co. ltd.
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Abstract
<p>Cryogenic high–speed rolling, where sheet specimen cooled in liquid nitrogen was supplied to a rolling mill with rolls rotating at 1500m/min at room temperature, was applied to Cu–5mass% Zn sheets. After 80% reduction of the cryogenic high–speed rolling by 2–pass operation, the rolled sheet showed tensile strength of 576MPa, total elongation of 5.3% and electrical conductivity of 54%IACS, while that by low–speed (5m/min) cold rolling showed 521MPa, 5.3% and 52%IACS, respectively. The improved balance of the cryogenic high–speed rolled sheet was attributed to fine–grained microstructure with deformation twins and brass–type rolling texture which were realized by the short contact duration of the cryogenic sheet with the rolls at room temperature.</p>
Journal
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- Journal of Japan Institute of Copper
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Journal of Japan Institute of Copper 58 (1), 52-57, 2019
Japan Institute of Copper
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Keywords
Details 詳細情報について
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- CRID
- 1390579631599917824
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- NII Article ID
- 40021983137
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- NII Book ID
- AA11995570
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- ISSN
- 2435872X
- 13477234
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- NDL BIB ID
- 029918041
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- CiNii Articles
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- Abstract License Flag
- Allowed